diff --git a/Dfe.PrepareConversions/Dfe.PrepareConversions/Dfe.PrepareConversions.csproj b/Dfe.PrepareConversions/Dfe.PrepareConversions/Dfe.PrepareConversions.csproj
index 847876aa3..89ec858a4 100644
--- a/Dfe.PrepareConversions/Dfe.PrepareConversions/Dfe.PrepareConversions.csproj
+++ b/Dfe.PrepareConversions/Dfe.PrepareConversions/Dfe.PrepareConversions.csproj
@@ -38,7 +38,7 @@
 	  <PackageReference Include="Dfe.Academies.Contracts" Version="1.0.10" />
 	  <PackageReference Include="Dfe.Academisation.CorrelationIdMiddleware" Version="2.0.2" />
 	  <PackageReference Include="Dfe.Academisation.ExtensionMethods" Version="2.0.0" />
-	  <PackageReference Include="DocumentFormat.OpenXml" Version="2.19.0" />
+	  <PackageReference Include="DocumentFormat.OpenXml" Version="2.20.0" />
 	  <PackageReference Include="Microsoft.ApplicationInsights.AspNetCore" Version="2.22.0" />
 	  <PackageReference Include="Microsoft.FeatureManagement.AspNetCore" Version="3.2.0" />
 	  <PackageReference Include="Microsoft.Identity.Web" Version="2.17.4" />